Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas."
"serie policiaca publico." » "serie politico publico.", "serie politica publicas.", "serie oficial publico."
"etica politica publica." » "etica politicas publicas.", "publica politica publica."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas publica.") OR ("serie policiaca publico."))) OR ("etica politica publica."))~.
• Removing quotes may allow a broader search: (((( serie politicas publica. ) or ( serie policiaca publico. ))) or ( etica politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas publica.") or ("serie policiaca publico."))) or ("etica politica publica."))*.